8138126268759 has 16 divisors (see below), whose sum is σ = 11491635449088. Its totient is φ = 5105157078912.

The previous prime is 8138126268757. The next prime is 8138126268763. The reversal of 8138126268759 is 9578626218318.

It is not a de Polignac number, because 8138126268759 - 2¹ = 8138126268757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8138126268759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138126268757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17237097 + ... + 17702930.

It is an arithmetic number, because the mean of its divisors is an integer number (718227215568).

Almost surely, 2^{8138126268759} is an apocalyptic number.

8138126268759 is a deficient number, since it is larger than the sum of its proper divisors (3353509180329).

8138126268759 is a wasteful number, since it uses less digits than its factorization.

8138126268759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34944614.

The product of its digits is 69672960, while the sum is 66.

The spelling of 8138126268759 in words is "eight trillion, one hundred thirty-eight billion, one hundred twenty-six million, two hundred sixty-eight thousand, seven hundred fifty-nine".